Issue #19: Introduction of the chapter rewritten. Added more details after preparing a new development environment from scratch.
Issue #19: Introduction of the chapter rewritten. Added more details after preparing a new development environment from scratch.

luiz158/yougi-javaee7,luiz158/yougi-javaee7,cejug/yougi,luiz158/yougi-javaee7,cejug/yougi,luiz158/yougi-javaee7